FOOD TECHNOLOGY

Detailed explanation-1: -Substances that are added to food to maintain or improve the safety, freshness, taste, texture, or appearance of food are known as food additives. Some food additives have been in use for centuries for preservation – such as salt (in meats such as bacon or dried fish), sugar (in marmalade), or sulfur dioxide (in wine).

Detailed explanation-2: -Common preservatives include salts, sugars, gelatin and vinegars; which are used to prevent bacteria growth. Additives, such as nisin and trisodium phosphate, may also be used to help preserve foods. Another type of food additive that helps with shelf stability, antioxidants, help to decrease oxidation in foods.

Detailed explanation-3: -To maintain or improve nutritional value. Common nutritional additives include vitamin D in milk, vita-min A in margarine, vitamin C in fruit drinks, and iodine in salt. Breads and cereals are enriched with B vitamins that are lost or destroyed during the milling and processing of grains.

Detailed explanation-4: -There are four general categories of food additives: nutritional additives, processing agents, preservatives, and sensory agents.